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Removal of organic impurities
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C01B17/905
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Inorganic chemistry
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Sulfur Compounds thereof
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C01B17/905
Removal of organic impurities
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Patents Grants
last 30 patents
Information
Patent Grant
Acid recovery from acid-rich solutions
Patent number
11,203,527
Issue date
Dec 21, 2021
MELODEA LTD.
Shaul Lapidot
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Reduction of content of carboxylic acids and derivatives thereof in...
Patent number
11,111,201
Issue date
Sep 7, 2021
Solvay S.A.
Jean-Marie Blaude
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Acid recovery from acid-rich solutions
Patent number
10,730,750
Issue date
Aug 4, 2020
MELODEA LTD.
Shaul Lapidot
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Sulfonation process
Patent number
10,428,163
Issue date
Oct 1, 2019
Rohm and Haas Company
John C. Rohanna
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Regeneration of acidic ionic liquid catalysts
Patent number
10,391,481
Issue date
Aug 27, 2019
Chevron U.S.A. Inc.
Saleh Ali Elomari
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Acid recovery from acid-rich solutions
Patent number
10,287,164
Issue date
May 14, 2019
MELODEA LTD.
Shaul Lapidot
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Treating sulfuric acid
Patent number
10,138,124
Issue date
Nov 27, 2018
Rohm and Haas Company
John C. Rohanna
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for recovering an acid from acid/sugar solutions
Patent number
9,945,000
Issue date
Apr 17, 2018
Fpinnovations
Naceur Jemaa
C13 - SUGAR INDUSTRY
Information
Patent Grant
Regeneration of acidic catalysts
Patent number
8,507,396
Issue date
Aug 13, 2013
Chevron U.S.A. Inc.
Saleh Elomari
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for the manufacture of an ammonium sulfate composition
Patent number
8,496,905
Issue date
Jul 30, 2013
Nutrinova Nutrition Specialties & Food Ingredients GmbH
Stephan Brietzke
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Acid tolerant polymeric membrane and process for the recovery of ac...
Patent number
7,997,426
Issue date
Aug 16, 2011
ExxonMobil Research and Engineering Company
Bhupender S. Minhas
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the regeneration of sulfuric acid
Patent number
7,842,272
Issue date
Nov 30, 2010
Wacker Chemie AG
Klaus Kaeppler
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Acid tolerant polymeric membrane and process for the recovery of ac...
Patent number
7,837,880
Issue date
Nov 23, 2010
ExxonMobil Research and Engineering Company
Bhupender S. Minhas
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Regeneration of acidic catalysts
Patent number
7,732,363
Issue date
Jun 8, 2010
Chevron U.S.A. Inc.
Saleh Elomari
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Recovery of sulphuric acid
Patent number
7,442,359
Issue date
Oct 28, 2008
Nederlandse Organisatie voor Toegepast-Natuurwetenschappelijk Onderzoek TNO
Johannes Wouterus Van Groenestijn
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for regenerating spent sulfuric acid
Patent number
7,344,692
Issue date
Mar 18, 2008
Catalytic Distillation Technologies
Lawrence A. Smith, Jr.
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for decoloring sulfuric acid
Patent number
7,273,599
Issue date
Sep 25, 2007
Servicios Industriales Penoles S.A. de C.V.
José Antonio Macias Horta
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Generation of boron-trifluoride and sulphuric acid from boron trifl...
Patent number
6,641,791
Issue date
Nov 4, 2003
Elf Atochem
Jean-Paul Chalieux
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for removing organic phosphorous compounds and other impuri...
Patent number
6,083,470
Issue date
Jul 4, 2000
Hoechst Aktiengesellschaft
Gerhard Diekhaus
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for purifying sulfuric acid
Patent number
5,683,671
Issue date
Nov 4, 1997
Wacker-Chemie GmbH
Konrad Mautner
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for recycling waste sulfuric acid
Patent number
5,527,985
Issue date
Jun 18, 1996
Deutsche Forschungsanstalt fur Luft- und Raumfahrt E.V.
Karl-Heinz Funken
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Process for purification and concentration of sulfuric acid
Patent number
5,275,701
Issue date
Jan 4, 1994
Air Products and Chemicals, Inc.
William J. Mazzafro
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Hall-effect sensor with integrally molded frame and plate supported...
Patent number
5,144,234
Issue date
Sep 1, 1992
Mitsubishi Denki K.K.
Shigemi Murata
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Spent alkylation acid treatment process
Patent number
5,114,699
Issue date
May 19, 1992
Freeport-McMoRan Resource Partners
Tadeusz K. Wiewiorowski
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Hall-effect sensor having integrally molded frame with printed cond...
Patent number
5,093,617
Issue date
Mar 3, 1992
Mitsubishi Denki K.K.
Shigemi Murata
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method for decoloring sulphuric acid deriving from acid production...
Patent number
5,026,535
Issue date
Jun 25, 1991
Boliden Contech AB
Jan L. Jonsson
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the purification of waste sulfuric acid containing fluo...
Patent number
4,329,155
Issue date
May 11, 1982
Hoechst Aktiengesellschaft
Rainer Schlegel
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for regeneration of sulfuric acid
Patent number
4,157,381
Issue date
Jun 5, 1979
Hoechst Aktiengesellschaft
Kurt Bodenbenner
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method and apparatus for the oxidation of organic material present...
Patent number
4,085,016
Issue date
Apr 18, 1978
Noranda Mines Limited
Mohammad Barakat Ilahi Janjua
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Removal of dissolved organic matter from acidic aqueous solution
Patent number
4,064,220
Issue date
Dec 20, 1977
IMI (TAMI) Institute for Research & Development
Alexander Alon
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
PROCESS FOR CONCENTRATING DILUTED SULFURIC ACID
Publication number
20230406704
Publication date
Dec 21, 2023
BASF SE
Maximilian KOELLER
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ACID RECOVERY FROM ACID-RICH SOLUTIONS
Publication number
20200361771
Publication date
Nov 19, 2020
Melodea Ltd.
Shaul LAPIDOT
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
ACID RECOVERY FROM ACID-RICH SOLUTIONS
Publication number
20190225492
Publication date
Jul 25, 2019
Melodea Ltd.
Shaul LAPIDOT
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
SULFONATION PROCESS
Publication number
20180086863
Publication date
Mar 29, 2018
Rohm and Haas Company
John C. Rohanna
C01 - INORGANIC CHEMISTRY
Information
Patent Application
ACID RECOVERY FROM ACID-RICH SOLUTIONS
Publication number
20170355602
Publication date
Dec 14, 2017
Melodea Ltd.
Shaul LAPIDOT
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR RECOVERING AN ACID FROM ACID/SUGAR SOLUTIONS
Publication number
20160312317
Publication date
Oct 27, 2016
FPINNOVATIONS
Naceur JEMAA
C13 - SUGAR INDUSTRY
Information
Patent Application
REGENERATION OF ACIDIC IONIC LIQUID CATALYSTS
Publication number
20150165430
Publication date
Jun 18, 2015
Chevron U.S.A. Inc.
Saleh Ali Elomari
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
REGENERATION OF ACIDIC IONIC LIQUID CATALYSTS
Publication number
20130303358
Publication date
Nov 14, 2013
Chevron U.S.A. Inc.
Saleh Ali Elomari
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method for the Manufacture of an Ammonium Sulfate Composition
Publication number
20130064755
Publication date
Mar 14, 2013
Stephan Brietzke
C07 - ORGANIC CHEMISTRY
Information
Patent Application
REGENERATION OF ACIDIC CATALYSTS
Publication number
20100248940
Publication date
Sep 30, 2010
Chevron U.S.A. Inc.
Saleh Elomari
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR TREATING ELEMENTAL SULPHUR FOR SMELL IMPROVEMENT
Publication number
20100084315
Publication date
Apr 8, 2010
Carolus Matthias Anna Maria Mesters
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Process for the Regeneration of Sulfuric Acid
Publication number
20080293979
Publication date
Nov 27, 2008
Wacker Chemie AG
Klaus Kaeppler
C01 - INORGANIC CHEMISTRY
Information
Patent Application
RECOVERY OF SULPHURIC ACID
Publication number
20080025911
Publication date
Jan 31, 2008
Nederlandse Organisatie voor toegepast- natuurwetenschappelijk Onderzoek TNO
Johannes Wouterus van Groenestijn
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Acid tolerant polymeric membrane and process for the recovery of ac...
Publication number
20070272614
Publication date
Nov 29, 2007
Bhupender S. Minhas
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Acid tolerant polymeric membrane and process for the recovery of ac...
Publication number
20070272613
Publication date
Nov 29, 2007
Bhupender S. Minhas
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Regeneration of acidic catalysts
Publication number
20070142213
Publication date
Jun 21, 2007
Chevron U.S.A. Inc.
Saleh Elomari
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for decoloring sulfuric acid
Publication number
20060280674
Publication date
Dec 14, 2006
Jose Antonio Macias Horta
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Process for regenerating spent sulfuric acid
Publication number
20060251570
Publication date
Nov 9, 2006
CATALYTIC DISTILLATION TECHNOLOGIES
Lawrence A. Smith
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Acid tolerant polymeric membrane and process for the recovery of ac...
Publication number
20050173345
Publication date
Aug 11, 2005
Bhupender S. Minhas
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process for the recovery of sulfuric acid using polymeric membranes
Publication number
20040222157
Publication date
Nov 11, 2004
Bhupender S. Minhas
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process for removing organic impurities from sulfuric acid with liq...
Publication number
20040126311
Publication date
Jul 1, 2004
Andrew Sanderson
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
GENERATION OF BORON-TRIFLUORIDE AND SULPHURIC ACID FROM BORON TRIFL...
Publication number
20030147803
Publication date
Aug 7, 2003
JEAN-PAUL CHALIEUX
C01 - INORGANIC CHEMISTRY